Multiple choice

Which organ’s primary role is excretion, particularly water soluble wastes?

  1. Kidneys

  2. Liver

  3. Adrenal glands

  4. Pancreas

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The primary role of the kidneys is excretion, specifically filtering the blood to remove metabolic wastes, excess ions, and water-soluble toxins in the form of urine. While the liver processes toxins, it does not directly excrete urine.